lyx_mirror/development/cmake/ConfigureChecks.cmake
Kornel Benko 53084dbfd8 CMake: in Hunspell ABI check only link if external
(Thanks Scott for the patch and comment)

For the HAVE_HUNSPELL_CXXABI check, only test a (real) link command
if an external libhunspell is used or if macOS is used (see
350a9daf). If the bundled libhunspell is used, it has not been built
yet at the point of the initial cmake command.

This commit fixes an issue when the bundled Hunspell is desired.
Before, the test command would still attempt to link to the system
hunspell library. Even if the system library is available, there
could be problems if there is a mismatch of the CXX ABI. And
finally, even if the system library is available and there is no
mismatch, compiling the test file with Clang and -stdlib=libc++
seems to cause a failure when linking with the system Hunspell
library.
2021-01-20 09:39:03 +01:00

360 lines
10 KiB
CMake

# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
#
# Copyright (c) 2006, Peter Kümmel, <syntheticpp@gmx.net>
#
include(CheckIncludeFile)
include(CheckIncludeFileCXX)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCXXSourceCompiles)
include(CheckCXXSourceRuns)
include(MacroBoolTo01)
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
#check_include_file_cxx(istream HAVE_ISTREAM)
#check_include_file_cxx(ostream HAVE_OSTREAM)
#check_include_file_cxx(sstream HAVE_SSTREAM)
#check_include_file_cxx(ios HAVE_IOS)
#check_include_file_cxx(locale HAVE_LOCALE)
# defines will be written to configIncludes.h
set(Include_Defines)
foreach(_h_file aspell.h aspell/aspell.h limits.h locale.h
stdlib.h sys/stat.h sys/time.h sys/types.h sys/utime.h
sys/socket.h unistd.h inttypes.h utime.h string.h argz.h)
string(REGEX REPLACE "[/\\.]" "_" _hf ${_h_file})
string(TOUPPER ${_hf} _HF)
check_include_files(${_h_file} HAVE_${_HF})
set(Include_Defines "${Include_Defines}#cmakedefine HAVE_${_HF} 1\n")
endforeach()
check_include_file_cxx(regex HAVE_REGEX)
set(Include_Defines "${Include_Defines}#cmakedefine HAVE_REGEX 1\n")
configure_file(${LYX_CMAKE_DIR}/configIncludes.cmake ${TOP_BINARY_DIR}/configIncludes.h.cmake)
configure_file(${TOP_BINARY_DIR}/configIncludes.h.cmake ${TOP_BINARY_DIR}/configIncludes.h)
# defines will be written to configFunctions.h
set(Function_Defines)
foreach(_f alloca __argz_count __argz_next __argz_stringify
chmod close _close dcgettext fcntl fork __fsetlocking
getcwd getegid getgid getpid _getpid gettext getuid lstat lockf mempcpy mkdir _mkdir
mkfifo open _open pclose _pclose popen _popen putenv readlink
setenv setlocale strcasecmp stpcpy strdup strerror strtoul tsearch unsetenv wcslen)
string(TOUPPER ${_f} _UF)
check_function_exists(${_f} HAVE_${_UF})
set(Function_Defines "${Function_Defines}#cmakedefine HAVE_${_UF} 1\n")
endforeach()
configure_file(${LYX_CMAKE_DIR}/configFunctions.cmake ${TOP_BINARY_DIR}/configFunctions.h.cmake)
configure_file(${TOP_BINARY_DIR}/configFunctions.h.cmake ${TOP_BINARY_DIR}/configFunctions.h)
check_symbol_exists(alloca "malloc.h" HAVE_SYMBOL_ALLOCA)
check_symbol_exists(asprintf "stdio.h" HAVE_ASPRINTF)
check_symbol_exists(wprintf "stdio.h" HAVE_WPRINTF)
check_symbol_exists(snprintf "stdio.h" HAVE_SNPRINTF)
check_symbol_exists(printf "stdio.h" HAVE_POSIX_PRINTF)
check_symbol_exists(pid_t "sys/types.h" HAVE_PID_T)
check_symbol_exists(intmax_t "inttypes.h" HAVE_INTTYPES_H_WITH_UINTMAX)
check_symbol_exists(uintmax_t "stdint.h" HAVE_STDINT_H_WITH_UINTMAX)
check_symbol_exists(LC_MESSAGES "locale.h" HAVE_LC_MESSAGES)
check_symbol_exists(PATH_MAX "limits.h" HAVE_DEF_PATH_MAX)
check_type_size(intmax_t HAVE_INTMAX_T)
macro_bool_to_01(HAVE_UINTMAX_T HAVE_STDINT_H_WITH_UINTMAX)
check_type_size("long double" HAVE_LONG_DOUBLE)
check_type_size("long long" HAVE_LONG_LONG_INT)
check_type_size(wchar_t HAVE_WCHAR_T)
check_type_size(wint_t HAVE_WINT_T)
if(HUNSPELL_FOUND)
# check whether hunspell C++ (rather than C) ABI is provided
set(HunspellTestFile "${CMAKE_BINARY_DIR}/hunspelltest.cpp")
file(WRITE "${HunspellTestFile}"
"
#include <hunspell.hxx>
int main()
{
Hunspell sp(\"foo\", \"bar\");
int i = sp.stem(\"test\").size();
return(0);
}
"
)
# The trick with faking the link command (see the else block) does not work
# with XCode (350a9daf).
if(APPLE OR LYX_EXTERNAL_HUNSPELL)
try_compile(HAVE_HUNSPELL_CXXABI
"${CMAKE_BINARY_DIR}"
"${HunspellTestFile}"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${HUNSPELL_INCLUDE_DIR}"
LINK_LIBRARIES ${HUNSPELL_LIBRARY}
OUTPUT_VARIABLE LOG2)
else()
try_compile(HAVE_HUNSPELL_CXXABI
"${CMAKE_BINARY_DIR}"
"${HunspellTestFile}"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${HUNSPELL_INCLUDE_DIR}"
# At this point, ../lib/libhunspell.a has not been built so we
# cannot complete the linking.
"-DCMAKE_CXX_LINK_EXECUTABLE='${CMAKE_COMMAD} echo dummy (fake) link command since libhunspell.a not built yet.'"
OUTPUT_VARIABLE LOG2)
endif()
message(STATUS "HAVE_HUNSPELL_CXXABI = ${HAVE_HUNSPELL_CXXABI}")
#message(STATUS "LOG2 = ${LOG2}")
if(LYX_EXTERNAL_HUNSPELL AND (LYX_STDLIB_DEBUG OR LYX_DEBUG_GLIBC OR LYX_DEBUG_GLIBC_PEDANTIC) AND HAVE_HUNSPELL_CXXABI)
message(FATAL_ERROR "Compiling LyX with stdlib-debug and system hunspell libraries may lead to crashes. Consider using '-DLYX_STDLIB_DEBUG=OFF -DLYX_DEBUG_GLIBC=OFF -DLYX_DEBUG_GLIBC_PEDANTIC=OFF' or -DLYX_EXTERNAL_HUNSPELL=OFF.")
endif()
endif()
#check_cxx_source_compiles(
# "
# #include <algorithm>
# using std::count;
# int countChar(char * b, char * e, char const c)
# {
# return count(b, e, c);
# }
# int main(){return 0;}
# "
#HAVE_STD_COUNT)
#check_cxx_source_compiles(
# "
# #include <cctype>
# using std::tolower;
# int main(){return 0;}
# "
#CXX_GLOBAL_CSTD)
check_cxx_source_compiles(
"
#include <iconv.h>
// this declaration will fail when there already exists a non const char** version which returns size_t
double iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
int main() { return 0; }
"
HAVE_ICONV_CONST)
check_cxx_source_compiles(
"
int i[ ( sizeof(wchar_t)==2 ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_WCHAR_T_IS_2)
check_cxx_source_compiles(
"
int i[ ( sizeof(wchar_t)==4 ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_WCHAR_T_IS_4)
check_cxx_source_compiles(
"
int i[ ( sizeof(long long)>sizeof(long) ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_LONG_LONG_GREATER_THAN_SIZEOF_LONG)
if(LYX_DISABLE_CALLSTACK_PRINTING)
set(LYX_CALLSTACK_PRINTING OFF CACHE BOOL "Print callstack when crashing")
else()
check_cxx_source_compiles(
"
#include <execinfo.h>
#include <cxxabi.h>
int main() {
void* array[200];
size_t size = backtrace(array, 200);
backtrace_symbols(array, size);
int status = 0;
abi::__cxa_demangle(\"abcd\", 0, 0, &status);
}
"
LYX_CALLSTACK_PRINTING)
endif()
# Check whether STL is libstdc++
check_cxx_source_compiles(
"
#include <vector>
int main() {
#if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__)
this is not libstdc++
#endif
return(0);
}
"
lyx_cv_lib_stdcxx)
# Check whether STL is libstdc++ with C++11 ABI
check_cxx_source_compiles(
"
#include <vector>
int main() {
#if ! defined(_GLIBCXX_USE_CXX11_ABI) || ! _GLIBCXX_USE_CXX11_ABI
this is not libstdc++ using the C++11 ABI
#endif
return(0);
}
"
USE_GLIBCXX_CXX11_ABI)
check_cxx_source_compiles(
"
#ifndef __clang__
this is not clang
#endif
int main() {
return(0);
}
"
lyx_cv_prog_clang)
check_cxx_source_compiles(
"
#include <memory>
using std::make_unique;
int main() {
return(0);
}
"
HAVE_DEF_MAKE_UNIQUE)
check_cxx_source_compiles(
"
#include <mutex>
static std::once_flag flag;
int main() {
std::call_once(flag, [](){ return; });
return(0);
}
"
LYX_USE_STD_CALL_ONCE)
if (ENCHANT_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${ENCHANT_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${ENCHANT_LIBRARY})
# Check, whether enchant is version 2.x at least
check_cxx_source_compiles(
"
#include <enchant++.h>
enchant::Broker broker;
int main() {
return(0);
}
"
HAVE_ENCHANT2)
if (HAVE_ENCHANT2)
message(STATUS "ENCHANT2 found")
endif()
endif()
set(USE_LLVM_LIBCPP)
set(STD_STRING_USES_COW)
set(USE_GLIBCXX_CXX11_ABI)
if(lyx_cv_lib_stdcxx)
if(NOT USE_GLIBCXX_CXX11_ABI)
set(STD_STRING_USES_COW 1)
endif()
else()
if(lyx_cv_prog_clang)
# use libc++ provided by llvm instead of GNU libstdc++
set(USE_LLVM_LIBCPP 1)
endif()
endif()
set(QPA_XCB)
set(HAVE_QT5_X11_EXTRAS)
if(LYX_USE_QT MATCHES "QT5")
set(CMAKE_REQUIRED_INCLUDES ${Qt5Core_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS)
#message(STATUS "Qt5Core_INCLUDE_DIRS = ${Qt5Core_INCLUDE_DIRS}")
check_include_file_cxx(QtGui/qtgui-config.h HAVE_QTGUI_CONFIG_H)
if (HAVE_QTGUI_CONFIG_H)
set(lyx_qt5_config "QtGui/qtgui-config.h")
else()
set(lyx_qt5_config "QtCore/qconfig.h")
endif()
if(WIN32)
set(QT_USES_X11 OFF CACHE BOOL "Win32 compiled without X11")
# The try_run for minngw would not work here anyway
else()
check_cxx_source_runs(
"
#include <${lyx_qt5_config}>
#include <string>
using namespace std;
string a(QT_QPA_DEFAULT_PLATFORM_NAME);
int main(int argc, char **argv)
{
if (a.compare(\"xcb\") == 0)
return(0);
else
return 1;
}
"
QT_USES_X11)
if(QT_USES_X11)
set(QPA_XCB ${QT_USES_X11})
endif()
endif()
if (Qt5X11Extras_FOUND)
get_target_property(_x11extra_prop Qt5::X11Extras IMPORTED_CONFIGURATIONS)
get_target_property(_x11extra_link_libraries Qt5::X11Extras IMPORTED_LOCATION_${_x11extra_prop})
set(CMAKE_REQUIRED_LIBRARIES ${_x11extra_link_libraries})
set(CMAKE_REQUIRED_INCLUDES ${Qt5X11Extras_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS "${Qt5X11Extras_EXECUTABLE_COMPILE_FLAGS} -fPIC -DQT_NO_VERSION_TAGGING")
#message(STATUS "CMAKE_REQUIRED_LIBRARIES = ${_x11extra_link_libraries}")
#message(STATUS "CMAKE_REQUIRED_INCLUDES = ${Qt5X11Extras_INCLUDE_DIRS}")
#message(STATUS "CMAKE_REQUIRED_FLAGS = ${CMAKE_REQUIRED_FLAGS}")
check_cxx_source_compiles(
"
#include <QtX11Extras/QX11Info>
int main()
{
bool isX11 = QX11Info::isPlatformX11();
}
"
QT_HAS_X11_EXTRAS)
set(HAVE_QT5_X11_EXTRAS ${QT_HAS_X11_EXTRAS})
set(LYX_QT5_X11_EXTRAS_LIBRARY ${_x11extra_link_libraries})
endif()
if (Qt5WinExtras_FOUND)
get_target_property(_winextra_prop Qt5::WinExtras IMPORTED_CONFIGURATIONS)
string(TOUPPER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
get_target_property(_winextra_link_libraries Qt5::WinExtras IMPORTED_LOCATION_${BUILD_TYPE})
set(CMAKE_REQUIRED_LIBRARIES ${_winextra_link_libraries})
set(CMAKE_REQUIRED_INCLUDES ${Qt5WinExtras_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS ${Qt5WinExtras_EXECUTABLE_COMPILE_FLAGS})
endif()
elseif(LYX_USE_QT MATCHES "QT4")
set(CMAKE_REQUIRED_LIBRARIES ${QT_QTGUI_LIBRARY})
set(CMAKE_REQUIRED_INCLUDES ${QT_INCLUDES})
check_cxx_source_compiles(
"
#include <QtGui/QX11Info>
int main()
{
QX11Info *qxi = new QX11Info;
qxi->~QX11Info();
}
"
QT_USES_X11)
else()
message(FATAL_ERROR "Check for QT_USES_X11: Not handled LYX_USE_QT (= ${LYX_USE_QT})")
endif()